CN101958657A - Power supply switching circuit, equipment and alternate control method of power factor correction circuit - Google Patents

Power supply switching circuit, equipment and alternate control method of power factor correction circuit Download PDF

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Publication number
CN101958657A
CN101958657A CN2009101591506A CN200910159150A CN101958657A CN 101958657 A CN101958657 A CN 101958657A CN 2009101591506 A CN2009101591506 A CN 2009101591506A CN 200910159150 A CN200910159150 A CN 200910159150A CN 101958657 A CN101958657 A CN 101958657A
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China
Prior art keywords
bridge arm
arm unit
connected
port
switch
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CN2009101591506A
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Chinese (zh)
Inventor
黄伯宁
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华为技术有限公司
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Priority to CN2009101591506A priority Critical patent/CN101958657A/en
Publication of CN101958657A publication Critical patent/CN101958657A/en

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • H02M1/42Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • H02M1/4208Arrangements for improving power factor of AC input
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/02Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • H02M3/1584Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
    • H02M2003/1586Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel switched with a phase shift, i.e. interleaved
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion
    • Y02B70/12Power factor correction technologies for power supplies
    • Y02B70/126Active technologies

Abstract

The invention relates to a circuit technology and discloses a power supply switching circuit, equipment and an alternate control method of a power factor correction circuit. The power supply switching circuit comprises a first bridge arm unit, a second bridge arm unit and a capacitor, wherein the upper end of the first bridge arm unit and the upper end of the second bridge arm unit are connected with a first port of the capacitor, and the lower end of the first bridge arm unit and the lower end of the second bridge arm unit are connected with a second port of the capacitor; the first bridge arm unit comprises two diodes which are connected in series in the same direction, and the connection part of the two diodes is used for connecting with the first port of a power supply; the second bridge arm unit comprises two switching tubes and an inductor, and the two switching tubes of the second bridge arm unit are connected in series in the same direction; a first port of the inductor is connected to the connection part of the two switching tubes of the second bridge arm unit; and a second port of the inductor is used for connecting with the second port of the power supply. By using the invention, the utilization ratio of the inductor can be improved.

Description

电源转换电路及设备、功率因数矫正电路交错控制方法 Power conversion circuits and devices, power factor correction control circuit interleaving method

技术领域 FIELD

[0001] 本发明涉及电路技术,具体涉及电源转换电路及设备、功率因数矫正电路交错控制方法。 [0001] The present invention relates to a circuit technology, particularly relates to power conversion circuits and devices, power factor correction control circuit interleaving method.

背景技术 Background technique

[0002] 节能减排是全球化发展一种趋势,在通信领域电源的转换效率是其中重要的一个环节。 [0002] energy saving globalization is a trend in the communications field power conversion efficiency is one important aspect. 电源的高效率一方面依赖功率器件的提升;另一方面就是电源拓扑的应用。 High-efficiency power device depends lifting power device; the other is the application of power topologies.

[0003] 现有的一种电源转换电路使用的是无桥功率因数矫正(PFC =Power Factor Correction)电路包括:电感Ll和电感L2、开关管Sl和开关管S2、二极管Dl、二极管D2、 二极管D3、二极管D4、二极管D5和二极管D6。 [0003] A conventional power converting circuit using a non-bridge power factor correction (PFC = Power Factor Correction) circuit comprising: an inductor Ll and inductor L2, switch Sl and a switch S2, a diode Dl, the diode D2, the diode D3, diode D4, a diode D5 and the diode D6. 其中: among them:

[0004] 电感Ll和电感L2是升压型(Boost)电路电感,开关管Sl和开关管S2是PFC主开关管,二极管Dl和二极管D2是Boost电源整流二极管,二极管D3和二极管D4是续流二极管;二极管D5和二极管D6不参与正常工作,只在浪涌防护中起作用,其中该电源转换电路使用的二极管是碳化硅二极管,开关管是碳化硅开关管。 [0004] The inductance of inductor Ll and L2 is a step-up (Boost) circuit inductance, the switch Sl and a switch S2 are PFC primary switch, a diode Dl and the diode D2 are Boost power rectifier diode, the diode D3 and the diode D4 are freewheeling diode; diode D5 and the diode D6 do not participate in normal work, only work in surge protection, wherein the power conversion circuit using the diode is a silicon carbide diode switch is a silicon carbide switch.

[0005] 该电源转换电路的工作原理如下: [0005] The power conversion circuit works as follows:

[0006] 在正半周,PFC主开关管Sl导通,电源通过PFC主开关管Sl和续流二极管D4对Boost电路电感Ll进行充电储能,电流达到设定值时Sl关断,Boost电路电感Ll电源反向, 与电源串联通过Boost电源整流二极管Dl和续流二极管D4对储能电容充电和对后级的变换电源传递能量。 [0006] In the positive half cycle, the PFC primary switch Sl is turned on, the power supply reaches the set value of the inductor Ll Boost circuit for charging the energy storage, the current through the PFC primary switch Sl and Sl freewheeling diode D4 is turned off, the circuit inductance Boost Ll reverse power, in series with the power supply by the power supply rectifying diode Dl and Boost freewheeling diode D4 charge the energy storage capacitor and the transfer of the power from the conversion stage. 电源电感电流下降到设定值,PFC主开关管Sl再导通对Boost电路电感Ll再充电储能,如此周而复始。 Power inductor current falls to the set value, the PFC primary switch Sl is turned on again Boost inductor Ll rechargeable energy storage circuit, again and again. 在正半周,PFC主开关管S2、Boost电源整流二极管D2、续流二极管D3和Boost电路电感L2不参与工作。 In the positive half cycle, the PFC primary switch S2, Boost power rectifier diode D2, the diode D3 and the freewheeling circuit Boost inductor L2 do not participate in work.

[0007] 在负半周,PFC主开关管S2与PFC主开关管Si、续流二极管D3与续流二极管D4、 Boost电路电感Ll与Boost电路电感L2工作对称,工作原理与正半周一致。 [0007] In the negative half cycle, the PFC primary switch S2 and the PFC primary switch Si, freewheeling diode D3 and the freewheeling diode D4, Boost circuit inductors Ll and Boost circuit inductor L2 work symmetry principle positive half cycle coincides with. 在负半周,PFC 主开关管Sl、Boost电源整流二极管Dl、续流二极管D4和Boost电路电感Ll不参与工作。 In the negative half cycle, the PFC primary switch Sl, Boost power rectifier diode Dl, freewheeling diode D4 and an inductor Ll Boost circuit is not involved.

[0008] 在实现本发明过程中,发明人发现现有技术至少存在以下缺陷: [0008] In implementing the present invention, the inventors have found that the prior art has at least the following disadvantages:

[0009] 该电源转换电路的正负半周分别由不同的Boost电路完成,电感利用率低,导致功率器件利用率低。 [0009] The power conversion circuit positive and negative half cycles are completed by different Boost circuit, the use of low inductance, resulting in low utilization of the power device.

发明内容 SUMMARY

[0010] 本发明实施例提供了电源转换电路及设备、功率因数矫正电路交错控制方法,可以提高电感利用率。 [0010] Example embodiments provide power conversion circuits and devices of the present invention, a power factor correction circuit controlled interleaving method can improve the utilization of the inductor.

[0011] 本发明实施例提供了一种电源转换电路,包括第一桥臂单元、第二桥臂单元和电容; [0011] Example embodiments of the present invention there is provided a power conversion circuit comprising a first bridge arm unit, a second bridge arm unit and a capacitor;

[0012] 所述第一桥臂单元的上端和所述第二桥臂单元的上端与所述电容的第一端口连接,所述第一桥臂单元的下端和所述第二桥臂单元的下端与所述电容的第二端口连接; [0012] The upper end of the first bridge arm unit and the second port of the first bridge arm unit is connected to the capacitor, the lower end of the first bridge arm unit and the second bridge arm unit a second port connected to the lower end of the capacitor;

[0013] 所述第一桥臂单元包括两个二极管,该两个二极管同向串联连接,该两个二极管的连接处用于与电源的第一端口连接; [0013] The first bridge arm unit comprises two diodes, the two diodes connected in series in the same direction, at the junction of the two diodes a first port for connection to a power supply;

[0014] 所述第二桥臂单元包括两个开关管和一个电感,所述第二桥臂单元包括的两个开关管同向串联连接,所述电感的第一端口连在所述第二桥臂单元包括的两个开关管的连接处,所述电感的第二端口用于与所述电源的第二端口连接。 [0014] The second bridge arm unit includes two switches and one inductor, the two switches in the second bridge arm unit comprises a tube connected to the series with the first inductor is connected at the second port connecting the two switches of the bridge arm unit, the second inductor are connected with the second port of the power source.

[0015] 本发明实施例提供了一种电源转换电路,包括第一桥臂单元、第二桥臂单元和电容; [0015] Example embodiments of the present invention there is provided a power conversion circuit comprising a first bridge arm unit, a second bridge arm unit and a capacitor;

[0016] 所述第一桥臂单元的上端和所述第二桥臂单元的上端与所述电容的第一端口连接,所述第一桥臂单元的下端和所述第二桥臂单元的下端与电容的第二端口连接; [0016] The upper end of the first bridge arm unit and the second port of the first bridge arm unit is connected to the capacitor, the lower end of the first bridge arm unit and the second bridge arm unit a second port connected to the lower end of the capacitor;

[0017] 所述第一桥臂单元包括两个开关管,该两个开关管同向串联连接,该两个开关管的连接处用于与电源的第一端口连接; [0017] The first bridge arm unit includes two switches, the two switches connected in series in the same direction, at the junction of the two switch port for connection to a first power source;

[0018] 所述第二桥臂单元包括两个开关管和一个电感,所述第二桥臂单元中的两个开关管同向串联连接,所述电感的第一端口连在所述第二桥臂单元包括的两个开关管的连接处,所述电感的第二端口用于与所述电源的第二端口连接。 [0018] The second bridge arm unit includes two switches and one inductor, the second bridge arm unit, two switches are connected in series in the same direction, the first inductor is connected at the second port connecting the two switches of the bridge arm unit, the second inductor are connected with the second port of the power source.

[0019] 本发明实施例提供了一种整流器,包括本发明实施例提供的电源转换电路。 Example embodiments provide a rectifier [0019] The present invention includes a power conversion circuit provided in the embodiment of the present invention.

[0020] 本发明实施例提供了一种电源,包括本发明实施例提供的电源转换电路。 Example embodiments provide a power [0020] The present invention includes a power conversion circuit provided in the embodiment of the present invention.

[0021] 本发明实施例提供了一种功率因数矫正电路交错控制方法,应用在本发明实施例提供的电源转换电路中,所述电源转换电路包括至少两个第二桥臂单元,其特征在于:交错开通所述至少两个第二桥臂单元中的开关管,使所述至少两个第二桥臂单元以任意相位差交错并联工作。 [0021] Example embodiments of the present invention provides for a power factor correction control circuit interleaving method, application of the power conversion circuit provided in the embodiment of the present invention, the power converter circuit comprises at least two second bridge arm unit, wherein : interleaving said switch opening the at least two second bridge arm units, the at least two second bridge arm units work in an interleaving paralleled arbitrary phase difference.

[0022] 从本发明实施例提供的以上技术方案可以看出,由于本发明实施例中电源转换电路工作时,电感可以一直处在工作状态,从而使电感得到了充分的利用,提高了电感的利用率。 [0022] From the above technical solutions provided by embodiments of the present invention can be seen, due to the power converter circuit example embodiment of the present invention, the inductor can stay in the working state, so that the inductors are fully utilized, increased inductance utilization.

附图说明 BRIEF DESCRIPTION

[0023] 为了更清楚地说明本发明实施例中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。 [0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings briefly described embodiments or the prior art needed to be used in the following embodiments will be apparent in the following description of the drawings are Some embodiments of the invention, those of ordinary skill in the art is concerned, without any creative effort, and can obtain other drawings based on these drawings.

[0024] 图1为本发明实施例中电源转换电路实施例一的结构图; [0024] FIG 1 power conversion circuit of the present embodiment a configuration diagram of the embodiment of invention embodiment;

[0025] 图2为本发明实施例中电源转换电路实施例二的结构图; [0025] FIG 2 a configuration diagram according to the second embodiment of the power converter circuit according to the present invention;

[0026] 图3为本发明实施例中电源转换电路实施例三的结构图; [0026] FIG 3 a configuration diagram according to a third embodiment of the power converter circuit according to the present invention;

[0027] 图4为本发明实施例中电源转换电路实施例四的结构图; [0027] Figure 4 embodiment the power converting circuit configuration diagram according to a fourth embodiment of the present invention;

[0028] 图5为本发明实施例中整流器实施例的结构图; [0028] FIG. 5 configuration diagram of an embodiment of the present invention, the rectifier embodiment;

[0029] 图6为本发明实施例中电源实施例一的结构图; [0029] FIG. 6 embodiment in a configuration diagram of the power supply of the embodiment of the present invention;

[0030] 图7为本发明实施例中电源实施例二的结构图。 [0030] FIG. 7 configuration diagram according to a second embodiment of the power supply embodiment of the present invention.

具体实施方式 Detailed ways

[0031] 下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明一部分实施例,而不是全部的实施例。 [0031] below in conjunction with the present invention in the accompanying drawings, technical solutions of embodiments of the present invention are clearly and completely described, obviously, the described embodiments are part of the embodiments of the present invention rather than all embodiments . 基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。 Based on the embodiments of the present invention, those of ordinary skill in the art to make all other embodiments without creative work obtained by, it falls within the scope of the present invention.

[0032] 先介绍本发明实施例提供的电源转换电路,图1描述了电源转换电路实施例一的结构,包括第一桥臂单元101、第二桥臂单元102和电容103 ;其中: [0032] The first embodiment describes the power conversion circuit provided in the embodiment of the present invention, FIG. 1 depicts a configuration of a power conversion circuit embodiment comprising a first bridge arm unit 101, a second bridge arm unit 102 and a capacitor 103; wherein:

[0033] 其中,第一桥臂单元101的上端和第二桥臂单元102的上端与电容103的第一端口连接,第一桥臂单元101的下端和第二桥臂单元102的下端与电容103的第二端口连接; [0033] wherein the upper end of the first bridge arm unit 101 and the second bridge arm unit is connected to a first port 102 and the capacitor 103 of the upper end, the lower end of the lower end of the first bridge arm unit 101 and the second bridge arm unit 102 and the capacitor the second port 103;

[0034] 第一桥臂单元101包括二极管D2和二极管D4,二极管D2和二极管D4同向串联连接,二极管D2和二极管D4的连接处用于与电源104的第一端口连接。 [0034] The first bridge arm unit 101 includes diodes D2 and D4, with the diodes D2 and D4 to the series connected diodes D2 and D4 is connected at a first port for connection to a power source 104.

[0035] 在本发明的一个实施例中,第一桥臂单元101包括的二极管D2和二极管D4也可以替换成两个开关管,该实施例中,第一桥臂单元101包括的两个开关管也同向串联连接, 该两个开关管的连接处也用于与电源104的第一端口连接。 [0035] In one embodiment of the present invention, the first bridge arm unit 101 includes diodes D2 and D4 may be replaced by two switches, in this embodiment, the first bridge arm unit 101 includes two switches tube is also connected in series in the same direction, at the junction of the two switches is also connected to a first port 104 of the power source.

[0036] 第二桥臂单元102包括开关管Sl和开关管S3,电感Ll ;开关管Sl和开关管S3同向串联连接,电感Ll的第一端口连在开关管Sl和开关管S3的连接处,电感Ll的第二端口用于与电源104的第二端口连接。 [0036] The second bridge arm unit 102 includes a switch Sl and the switch S3, the inductor Ll; switch Sl and the switch S3 is connected to the series with the inductor Ll is connected to a first port attached to the switch Sl and the switch S3 , the inductor Ll is connected to a second port of the second port 104 of the power source. 其中,开关管Sl和开关管S3可以为金属氧化物半导体场效应管(Mosfet =Metal Oxide Semicoductor Field Effect Transistor)开关管、或绝缘栅双极晶体管(IGBT :Insulated Gate Bipolar Transistor)开关管等。 Wherein the switch Sl and the switch S3 may be a metal oxide semiconductor field effect transistor (Mosfet = Metal Oxide Semicoductor Field Effect Transistor) switch, or an insulated gate bipolar transistor (IGBT: Insulated Gate Bipolar Transistor) switch and the like.

[0037] 其中,第二桥臂单元的数量为一个以上,在第二桥臂的数量为至少两个时,该至少两个第二桥臂单元同向并联连接。 [0037] wherein the number of the second bridge arm unit is more than one, when the number of the second arm is at least two, at least two second bridge arm units connected to the same parallel.

[0038] 从上可知,电源转换电路的本实施例工作时,电感需要一直处在工作状态,从而使电感得到了充分的利用,提高了电感的利用率。 [0038] From the above, when the power conversion circuit embodiment of the present working embodiment, the inductor needs to stay in the working state, so that the inductors are fully utilized, improved utilization of the inductors.

[0039] 如图1所示,在本发明的一个实施例中,电源转换电路的实施例一还可以包括数字信号处理器(DSP =Digital Signal Processing) 105,用于对第二桥臂单元102中的开关管Sl和开关管S3的工作进行控制。 [0039] Figure 1, in one embodiment of the present invention, an embodiment of a power conversion circuit may further include a digital signal processor (DSP = Digital Signal Processing) 105, a second bridge arm unit 102 the switch Sl and the switch S3 controls the operation.

[0040] 图2描述了电源转换电路实施例二的结构,包括第一桥臂单元201、第二桥臂单元202、第三桥臂单元203和电容204 ;其中: [0040] Figure 2 depicts the structure of the power conversion circuit according to a second embodiment, comprising a first bridge arm unit 201, a second bridge arm unit 202, a third bridge arm unit 203 and capacitor 204; wherein:

[0041] 第一桥臂单元201的上端和第二桥臂单元202的上端和第三桥臂单元203的上端与电容204的第一端口连接,第一桥臂单元201的下端和第二桥臂单元202的下端和第三桥臂单元202的下端与电容204的第二端口连接。 [0041] The first bridge arm unit and the upper end 201 of the upper end of the second bridge arm unit 202 and the third bridge arm unit 203 and the capacitance of the first upper port 204, the lower end of the first bridge arm unit 201 and second axle the lower end of the lower end of the arm unit 202 and a third bridge arm unit 202 and the capacitor 204 is connected to the second port.

[0042] 第一桥臂单元201包括二极管D2和二极管D4,二极管D2和二极管D4同向串联连接,二极管D2和二极管D4的连接处用于与电源205的第一端口连接。 [0042] The first bridge arm unit 201 includes diodes D2 and D4, with the diodes D2 and D4 to the series connected diodes D2 and D4 is connected at a first port for connection to a power source 205.

[0043] 在本发明的一个实施例中,第一桥臂单元201包括的二极管D2和二极管D4也可以替换成两个开关管,该实施例中,第一桥臂单元201包括的两个开关管也同向串联连接, 该两个开关管的连接处也用于与电源205的第一端口连接。 [0043] In one embodiment of the present invention, the first bridge arm unit 201 includes diodes D2 and D4 may be replaced by two switches, in this embodiment, the first bridge arm unit comprises two switches 201 tube is also connected in series in the same direction, at the junction of the two switches is also connected to a power source 205 to the first port.

[0044] 第二桥臂单元202包括开关管Sl和开关管S3,电感Ll ;开关管Sl和开关管S3同向串联连接,电感Ll的第一端口连在开关管Sl和开关管S3的连接处,电感Ll的第二端口用于与电源205的第二端口连接。 [0044] The second bridge arm unit 202 includes a switch Sl and the switch S3, the inductor Ll; switch Sl and the switch S3 is connected to the series with the inductor Ll is connected to a first port attached to the switch Sl and the switch S3 , the inductor Ll and a second port for connecting a second power supply port 205. 其中,开关管Sl和开关管S3可以为Mosfet开关管、或IGBT开关管等。 Wherein the switch Sl and the switch S3 may switch to Mosfet, or IGBT switches.

[0045] 其中,第二桥臂单元的数量为一个以上,在第二桥臂的数量为至少两个时,该至少两个第二桥臂单元同向并联连接。 [0045] wherein the number of the second bridge arm unit is more than one, when the number of the second arm is at least two, at least two second bridge arm units connected to the same parallel. [0046] 第三桥臂单元203包括二极管Dl和二极管D3,二极管Dl和二极管D3同向串联连接,二极管Dl和二极管D3的连接处用于与电源205的第二端口连接。 [0046] The third bridge arm unit 203 includes a diode Dl and a diode D3, a diode Dl, connected to the series with the diode D3, a diode Dl, connected to the diode D3 is connected with the second port 205 of the power source.

[0047] 从上可知,电源转换电路的本实施例工作时,电感一直处在工作状态,从而使电感得到了充分的利用,提高了电感的利用率;并且第三桥臂单元包括的两个二极管使电源转换电路的前级正反都有二极管箝位,能够提供电磁干扰(EMI =Electro Magnetic Interference)和雷击浪涌防护性能。 [0047] From the above, when the operating power conversion circuit embodiment according to the present embodiment, inductors stay in the working state, so that the inductors are fully utilized, improved utilization of the inductors; and the third bridge arm unit comprises two diode power supply conversion circuit has diode clamps to reverse the previous stage, capable of providing electromagnetic interference (EMI = Electro magnetic interference) and lightning surges.

[0048] 如图2所示,在本发明的一个实施例中,电源转换电路的实施例二还可以包括数字信号处理器(DSP digital Signal Processing) 206,用于对第二桥臂单元202中的开关管Sl和开关管S3的工作进行控制。 [0048] shown in Figure 2, in one embodiment of the present invention, the embodiment of a power conversion circuit may further comprise two digital signal processor (DSP digital Signal Processing) 206, for the second bridge arm unit 202 switch control switch S3 and Sl pipe work.

[0049] 其中,本发明实施例提供的电源转换电路所使用的二极管可以是Mosfet 二极管或IGBT 二极管,开关管可以是Mosfet开关管或IGBT开关管。 [0049] wherein the diode power conversion circuit according to an embodiment of the present invention may be used in a diode Mosfet or IGBT diodes, and the switch may be a switch Mosfet or IGBT switches. 其中,在使用Mosfet 二极管或Mosfet开关管时,由于Mosfet 二极管和Mosfet开关管的导通压降远小于碳化硅二极管,因此电路的损耗更小,从而可以提供更高的转换效率。 Wherein, in use Mosfet Mosfet switch or diode, since the diode and the Mosfet Mosfet switch conduction voltage drop is much smaller than the silicon carbide diodes, circuit loss is smaller, which can provide a higher conversion efficiency. 同时使用Mosfet 二极管和Mosfet开关管还能够降低电路成本。 Use Mosfet switch diode and the Mosfet is also possible to reduce circuit costs.

[0050] 本发明实施例还提供了功率因数矫正电路交错控制方法,应用在本发明实施例提供的电源转换电路中,该电源转换电路包括至少两个第二桥臂单元,该方法包括:交错开通该至少两个第二桥臂单元中的开关管,使该至少两个第二桥臂单元以任意相位差交错并联工作。 [0050] The present invention further provides a power factor correction control circuit interleaving method, application of the power conversion circuit provided in the embodiment of the present invention, the power conversion circuit comprises at least two second bridge arm units, the method comprising: interleaving opening the switch at least two second bridge arm units, the at least two second bridge arm units work in an interleaving paralleled arbitrary phase difference.

[0051] 其中,具体可以根据电源转换电路中电源处在正半周、或负半周、或占空比来交错开通至少两个桥臂单元中的开关管。 [0051] wherein, specifically in accordance with the power supply conversion circuit positive half cycle or a negative half cycle, or duty cycle of the switch to turn the at least two interleaved bridge arm units.

[0052] 其中,由于第二桥臂单元包括两个开关管,因此在其中的一个开关管开通作为主开关管时,另一个开关管可以作为电感电流续流开关管使用,从而使作为电感电流续流开关管使用的开关管可以完成同步整流。 [0052] wherein, since the second bridge arm unit includes two switches, thus opening switch which is used as a main switch, another switch can be used as a freewheeling switch inductor current use, so that the inductor current as a freewheeling switch the switch can be accomplished using synchronous rectification.

[0053] 从上可知,通过该功率因数矫正电路交错控制方法,可以使电源转换电路包括的至少两个第二桥臂单元以任意相位差交错并联工作,因此该至少两个第二桥臂单元所包括的电感也能够并联工作,因此电感一直处在工作状态,使电感得到了充分的利用,提高了电感的利用率。 [0053] From the above, by the power factor correction control circuit interleaving method, at least two second bridge arm units comprises a power conversion circuit in an arbitrary phase staggered operated in parallel, so that the at least two second bridge arm units the inductor can also be included in the parallel operation, the inductance has been in the operating state, the inductance has been fully utilized, improved utilization of the inductors.

[0054] 如下结合电源转换电路的具体实例介绍本发明实施例提供的功率因数矫正电路交错控制方法,图3描述了本发明实施例提供的电源转换电路实施例三的结构,包括第一桥臂单元301、第二桥臂单元302、第二桥臂单元303、第三桥臂单元304和电容305 ;其中: Specific examples of [0054] the following description in conjunction with the power converter circuit provides power factor correction circuit according to the embodiment of the present invention is a control method for interleaving, Figure 3 depicts the structure of the present invention according to a third embodiment of the power conversion circuit provided in the embodiment, comprising a first bridge arm unit 301, a second bridge arm unit 302, a second bridge arm unit 303, a third bridge arm unit 304 and a capacitor 305; wherein:

[0055] 第一桥臂单元301的上端和第二桥臂单元302的上端和第二桥臂单元303的上端和第三桥臂单元304的上端与电容305的第一端口连接,第一桥臂单元301的下端和第二桥臂单元302的下端和第二桥臂单元303的下端和第三桥臂单元304的下端与电容305的第二端口连接。 [0055] The upper end 301 of the first bridge arm unit and the upper end of the second bridge arm unit 302 and the upper end of the second bridge arm unit 303 and the third bridge arm unit 304 and the upper end of the capacitor 305 connected to the first port, a first bridge the lower end of the arm unit 301 and the second bridge arm unit 302 and the lower end of the second bridge arm unit 303 and the lower end of the third bridge arm unit 304 and the lower end of the capacitance of the second port 305.

[0056] 第一桥臂单元301包括二极管D2和二极管D4,二极管D2和二极管D4同向串联连接,二极管D2和二极管D4的连接处用于与电源306的第一端口连接。 [0056] The first bridge arm unit 301 includes diodes D2 and D4, with the diodes D2 and D4 to the series connected diodes D2 and D4 is connected at a first port for connection to a power source 306.

[0057] 在本发明的一个实施例中,第一桥臂单元301包括的二极管D2和二极管D4也可以替换成两个开关管,该实施例中,第一桥臂单元301包括的两个开关管也同向串联连接, 该两个开关管的连接处也用于与电源306的第一端口连接。 [0057] In one embodiment of the present invention, the first bridge arm unit 301 includes diodes D2 and D4 may be replaced by two switches, in this embodiment, the first bridge arm unit comprises two switches 301 tube is also connected in series in the same direction, at the junction of the two switches is also connected to a power source 306 to the first port. [0058] 第二桥臂单元302包括开关管Sl和开关管S3,电感Ll ;开关管Sl和开关管S3同向串联连接,电感Ll的第一端口连在开关管Sl和开关管S3的连接处,电感Ll的第二端口用于与电源306的第二端口连接。 [0058] The second bridge arm unit 302 includes a switch Sl and the switch S3, the inductor Ll; switch Sl and the switch S3 is connected to the series with the inductor Ll is connected to a first port attached to the switch Sl and the switch S3 , the inductor Ll and a second port for connecting a second power supply port 306. 其中,开关管Sl和开关管S3可以为Mosfet开关管、或IGBT开关管等。 Wherein the switch Sl and the switch S3 may switch to Mosfet, or IGBT switches.

[0059] 第二桥臂单元303包括开关管S2和开关管S4,电感L2 ;开关管S2和开关管S4同向串联连接,电感L2的第一端口连在开关管S2和开关管S4的连接处,电感L2的第二端口用于与电源306的第二端口连接。 [0059] The second bridge arm unit 303 includes a switch S2 and S4, the inductor L2; switch S2 and S4 are connected to the series with, an inductor connected in the connection switch S2 and S4 L2 of the first port , the second inductor L2 are connected with the second port 306 of the power source. 其中,开关管S2和开关管S4可以为Mosfet开关管、或IGBT开关管等。 Wherein the switch S2 and S4 can switch as Mosfet, or IGBT switches.

[0060] 电感Ll的第二端口和电感L2的第二端口用于与电源306的第二端口连接,即电感Ll的第二端口和电感L2的第二端口连接在一起,接成Interleave方式。 [0060] The inductor Ll and a second port to a second port of inductor L2 is connected to a second power port 306, i.e., the inductor Ll is connected to a second port and a second port of inductor L2 together, then into Interleave manner.

[0061 ] 第三桥臂单元304包括二极管Dl和二极管D3,二极管Dl和二极管D3同向串联连接,二极管Dl和二极管D3的连接处用于与电源306的第二端口连接。 [0061] The third bridge arm unit 304 includes a diode Dl and a diode D3, a diode Dl, connected to the series with the diode D3, a diode Dl, connected to the diode D3 is connected with the second power supply port 306.

[0062] 电源转换电路实施例三的工作过程分为电源处于正半周和负半周两种情况。 Working Process [0062] The power conversion circuit according to a third embodiment of the power source is divided into positive half cycle and negative half cycle in both cases. 其中当电源处于正半周时,又分占空比大于50%和小于50%两种模式。 Wherein when the power supply is in the positive half cycle, the duty cycle greater than 50% is divided and less than 50% in two modes. 同理,当电源处于负半周时,也分占空比处于大于50%和小于50%两种模式。 Similarly, when the power supply is in a negative half cycle, the duty cycle can be divided in more than 50% and less than 50% of the two modes.

[0063] A)电源处于正半周时,开关管S3和开关管S4为主开关管,此时占空比小于50% 时的工作流程如下: When [0063] A) the power in the positive half cycle, the switches S3 and S4 are primary switches, workflow case when the duty ratio is less than 50% as follows:

[0064] 步骤Al,开关管S3闭合,电感Ll的电流Iu上升,开关管S2及体二极管(Body Diode)为L续流,L2电流L下降。 [0064] Step Al, the switch S3 is closed, the inductor Ll current Iu rises, the switch S2 and the body diode (Body Diode) as a freewheeling L, L2 L current drops. 在tl时刻电感Iu达到设定值,开关管S3关断。 At time tl inductance Iu reaches the set value, the switch S3 is turned off.

[0065] 步骤A2,开关管S3和开关管S4关断,电感Ll的电流Iu和电感L2的电流Ιί2下降,开关管S2及体二极管为L续流,开关管Sl及体二极管为Iu续流。 [0065] Step A2, switches S3 and S4 is turned off, the inductor Ll current Iu and L2 current Ιί2 decreased, the switch S2 and the body diode L freewheeling switch Sl and the body diode Iu freewheeling . t2时刻L到零, 开关管S4开通。 L to zero at time t2, the switch S4 is turned on.

[0066] 步骤A3,开关管S3处于关断状态,开关管S4处于导通状态。 [0066] Step A3, switch S3 is in the off state, the switch S4 is in the ON state. 电感Ll的电流Iu下降,开关管Sl及体二极管为Iu续流。 Inductor Ll current Iu decreases and the body diode of switch Sl is an Iu freewheeling. 由于开关管S4导通,电感L2的电流L上升,t3时刻L到设定值,开关管S4关断。 Because the switch S4 is turned on, the L2 current rises L, t3 to the time point L set value, the switch S4 is turned off.

[0067] 步骤A4,开关管S3和开关管S4处于关断状态,电感Ll的电流Iu和电感L2的电流L下降,开关管S2及体二极管为L续流,开关管Sl及体二极管为Iu续流。 [0067] Step A4, switches S3 and S4 is in the OFF state, inductor Ll current Iu and L2 current L drops, the switch S2 and the body diode L freewheeling switch Sl and the body diode Iu freewheeling. t4时刻Iu 到零,开关管S3开通。 Iu to zero at time t4, the switch S3 is turned on.

[0068] 重复步骤Al〜A4。 [0068] Repeat steps Al~A4.

[0069] B)电源处于正半周时,开关管S3和开关管S4为主开关管,此时占空比大于50% 时的工作流程如下: [0069] B) when the power in the positive half cycle, the switches S3 and S4 are primary switches, workflow case when the duty ratio greater than 50% as follows:

[0070] 步骤Bi,开关管S3闭合,电感Ll的电流Iu上升,开关管S2及体二极管为、续流,电感L2电流L下降。 [0070] Step Bi, the switch S3 is closed, the inductor Ll current Iu rises, the switch S2 and the body diode as a freewheeling, L2 inductor L current drop. 在tl时刻L下降到零,开关管S4开通。 At time tl L falls to zero, the switch S4 is turned on.

[0071] 步骤B2,开关管S3和开关管S4导通,电感Ll的电流Iu和电感L2的电流、上升,t2时刻Iu达到设定值,开关管S3关断。 [0071] Step B2, switches S3 and S4 is turned on, the inductor Ll current Iu and the L2 current, rise, t2 time Iu reaches the set value, the switch S3 is turned off.

[0072] 步骤B3,开关管S3处于关断状态,开关管S4处于导通状态。 [0072] Step B3, the switch S3 is in the off state, the switch S4 is in the ON state. 电感Ll的电流Iu下降,开关管Sl及体二极管为Iu续流。 Inductor Ll current Iu decreases and the body diode of switch Sl is an Iu freewheeling. 由于开关管S4导通,电感L2的电流L上升,t3时刻Iu下降到零,开关管S3开通。 Because the switch S4 is turned on, the L2 current rises L, t3 time Iu falls to zero, the switch S3 is turned on.

[0073] 步骤B4,开关管S3和开关管S4处于开通状态,电感Ll的电流Iu和L2的电流、上升,t4时刻L到设定值,开关管S4关断。 [0073] Step B4, switches S3 and S4 in an open state, inductor Ll L2 current Iu and the current rise, t4 to the time point L set value, the switch S4 is turned off.

[0074] 重复步骤Bl〜B4。 [0074] Repeat steps Bl~B4.

[0075] C)电源处于负半周时,开关管Sl和开关管S2为主开关管,此时占空比小于50% 时的工作流程与电源处于正半周时占空比小于50%时的工作流程类似,此处不再赘述。 [0075] C) is in the negative half cycle power supply, the switch Sl and a switch S2 are primary switches, workflow case when the duty ratio less than 50% when the power source is in operation less than 50% duty cycle of the positive half cycle the process is similar to not repeat them here.

[0076] D)电源处于负半周时,开关管Sl和开关管S2为主开关管,此时占空比大于50% 时的工作流程与电源处于正半周时占空比大于50%时的工作流程类似,此处不再赘述。 When the [0076] D) the power in the negative half cycle, the switches Sl and switch S2 are primary switches, and the power supply at this time workflow greater than 50% duty cycle when the duty cycle is in operation 50% greater than the positive half cycle the process is similar to not repeat them here.

[0077] 从上可知,本实施例中电源转换电路的两个第二桥臂单元可以交错并联工作,因此两个第二桥臂单元所包括的电感也能够交错并联工作,因此电感一直处在工作状态,使电感得到了充分的利用,提高了电感的利用率。 [0077] From the above, in the present embodiment, two power conversion circuit of the second bridge arm units can work in parallel staggered, so that the two second bridge arm units comprises an inductor can be interleaved in parallel, it has been in the inductance working conditions, the inductance has been fully utilized, improve the utilization of the inductor. 并且第三桥臂单元包括的两个二极管使电源转换电路的前级正反都有二极管箝位,能够提供EMI和雷击浪涌防护性能。 Two diodes and a third bridge arm unit has diode clamps to make positive and negative pre-stage power conversion circuits, to resist EMI and lightning surges.

[0078] 其中,本发明实施例提供的电源转换电路可以工作在定开关频率电感不连续模式、或工作在定频电感电流连续模式、或工作在电感电流零界连续变频工作模式。 [0078] wherein the power conversion circuit provided in the embodiment of the present invention can operate in a given switching frequency in discontinuous mode inductance, or work in fixed frequency inductor current continuous mode, or continuous operation mode of the frequency zero inductor current sector.

[0079] 本发明实施例方法可以根据实际需要对各个步骤顺序进行调整。 [0079] Example embodiments of the present invention can be adjusted according to actual needs of each sequence of steps.

[0080] 如图3所示,在本发明的一个实施例中,电源转换电路的实施例三还可以包括数字信号处理器(DSP digital Signal Processing) 307,用于对第二桥臂单元302中的开关管Sl和开关管S3的工作进行控制,以及对第二桥臂单元303中的开关管S2和开关管S4 的工作进行控制。 [0080] As shown in FIG. 3, in one embodiment of the present invention, the embodiment according to a third power conversion circuit may further include a digital signal processor (DSP digital Signal Processing) 307, a second bridge arm unit 302 switch control switch S3 and Sl pipe work, and the work of the switch S2 and S4 of the second bridge arm unit 303 is controlled.

[0081] 可以理解的是,本发明实施例提供的电源转换电路可以具有三个或更多个第二桥臂单元,图4描述了本发明实施例提供的电源转换电路实施例四的结构,包括第一桥臂单元401、第二桥臂单元组402、第三桥臂单元403和电容404 ;其中: [0081] It will be appreciated that the power conversion circuit provided in the embodiment of the present invention may have three or more second bridge arm unit, Figure 4 depicts an embodiment of the present invention to provide a power conversion circuit according to a fourth embodiment of the structure of embodiment, comprising a first bridge arm unit 401, a second bridge arm unit group 402, a third bridge arm unit 403 and a capacitor 404; wherein:

[0082] 其中,第二桥臂单元组402包括η个第二桥臂单元,该η个第二桥臂单元并联连接; [0082] wherein the second bridge arm unit group 402 includes a second bridge arm unit η, η parallel to the second bridge arm unit;

[0083] 第一桥臂单元401的上端和上述η个第二桥臂单元的上端和第三桥臂单元403的上端与电容404的第一端口连接,第一桥臂单元301的下端和上述η个第二桥臂单元的下端和第三桥臂单元403的下端与电容404的第二端口连接。 [0083] The upper ends of the first bridge arm unit 401 and said η second bridge arm unit 403 and the third bridge arm unit is connected to the upper end of the capacitor 404 to the first port, the lower end 301 of the first bridge arm unit and said a lower end of the η second bridge arm unit and the third bridge arm unit 403 is connected to the second port of the lower end of the capacitor 404.

[0084] 第一桥臂单元301包括二极管D2和二极管D4,二极管D2和二极管D4同向串联连接,二极管D2和二极管D4的连接处用于与电源405的第一端口连接。 [0084] The first bridge arm unit 301 includes diodes D2 and D4, with the diodes D2 and D4 to the series connected diodes D2 and D4 is connected at a first port for connection to a power source 405.

[0085] 在本发明的一个实施例中,第一桥臂单元401包括的二极管D2和二极管D4也可以替换成两个开关管,该实施例中,第一桥臂单元401包括的两个开关管也同向串联连接, 该两个开关管的连接处也用于与电源405的第一端口连接。 [0085] In one embodiment of the present invention, the first bridge arm unit 401 includes diodes D2 and D4 may be replaced by two switches, in this embodiment, the first bridge arm unit comprises two switches 401 tube is also connected in series in the same direction, at the junction of the two switches is also connected to a power source 405 to the first port.

[0086] 第二桥臂单元组中第1个第二桥臂单元包括开关管Sl和开关管S3,电感Ll ;开关管Sl和开关管S3同向串联连接,电感Ll的第一端口连在开关管Sl和开关管S3的连接处,电感Ll的第二端口用于与电源405的第二端口连接。 [0086] The second bridge arm unit group of a second bridge arm unit includes a switch Sl and the switch S3, the inductor Ll; switch Sl and the switch S3 is connected to the series with the inductor Ll is connected at a first port connecting the switch Sl and the switch S3, the inductor Ll and a second port for connecting a second power supply port 405. 其中,开关管Sl和开关管S3可以为Mosfet开关管、或IGBT开关管等。 Wherein the switch Sl and the switch S3 may switch to Mosfet, or IGBT switches.

[0087] 第二桥臂单元组中第2个第二桥臂单元包括开关管S2和开关管S4,电感L2 ;开关管S2和开关管S4同向串联连接,电感L2的第一端口连在开关管S2和开关管S4的连接处,电感L2的第二端口用于与电源405的第二端口连接。 [0087] The second bridge arm unit group in the second bridge arm unit includes a second switch S2 and S4, inductor L2; switch S2 and S4 are connected in series in the same direction, a first port of inductor L2 is connected in connecting the switch S2 and S4, the second inductor L2 are connected with the second port 405 of the power source. 其中,开关管S2和开关管S4可以为Mosfet开关管、或IGBT开关管等。 Wherein the switch S2 and S4 can switch as Mosfet, or IGBT switches.

[0088] 第二桥臂单元组中第η个第二桥臂单元包括开关管Sn和开关管Sn+Ι,电感Ln ;开关管Sn和开关管Sn+Ι同向串联连接,电感Ln的第一端口连在开关管Sn和开关管Sn+1 的连接处,电感Ln的第二端口用于与电源405的第二端口连接。 [0088] The second bridge arm unit group of η second bridge arm unit includes a switch and the switch Sn Sn + Ι, an inductor Ln; switch Sn and Sn + Ι switch connected in series in the same direction, Ln first inductor a switch port and the switch Sn Sn + 1 of the connection, the inductor Ln are connected with the second port of the second power source 405 is attached. 其中,开关管Sn和开关管Sn+Ι可以为Mosfet开关管、或IGBT开关管等。 Wherein the switch Sn and Sn + Ι switch may switch as Mosfet, or IGBT switches.

[0089] 电感Li、L2.....Ln的第二端口用于与电源405的第二端口连接,即电感Li、 [0089] inductors Li, L2 ..... Ln second port a second port connected to power supply 405, i.e. the inductor Li,

L2、. . .、Ln的第二端口连接在一起,接成Interleave方式。 L2 ,..., Ln are connected together to a second port, connected to Interleave manner.

[0090] 第三桥臂单元403包括二极管Dl和二极管D3,二极管Dl和二极管D3同向串联连接,二极管Dl和二极管D3的连接处用于与电源405的第二端口连接。 [0090] The third bridge arm unit 403 includes a diode Dl and a diode D3, a diode Dl, connected to the series with the diode D3, a diode Dl, connected to the diode D3 is connected with the second power supply port 405.

[0091] 从上可知,本实施例中电源转换电路的η个第二桥臂单元可以交错并联工作,因此η个第二桥臂单元所包括的电感也能够交错并联工作,因此电感一直处在工作状态,使电感得到了充分的利用,提高了电感的利用率。 [0091] From the above, [eta] a second bridge arm unit in the power conversion circuit embodiment of the present embodiment may be operated in parallel interleaving, [eta] and therefore the inductance of second bridge arm unit included in interleaving can be operated in parallel, the inductance has been in working conditions, the inductance has been fully utilized, improve the utilization of the inductor. 并且第三桥臂单元包括的两个二极管使电源转换电路的前级正反都有二极管箝位,能够提供EMI和雷击浪涌防护性能。 Two diodes and a third bridge arm unit has diode clamps to make positive and negative pre-stage power conversion circuits, to resist EMI and lightning surges.

[0092] 上面描述了电源转换电路具有两个第二桥臂单元时的工作流程,电源转换电路具有三个或更多个第二桥臂单元时的工作流程与电源转换电路具有两个第二桥臂单元时的工作流程类似,此处不再赘述。 [0092] The above described power conversion circuit having workflows when two second bridge arm unit, a power conversion circuit workflow when the power conversion circuit having three or more second bridge arm unit includes two second when a workflow is similar to bridge arm unit, not further described herein. 电源转换电路具有的第二桥臂单元的数量越多,电感的电流对后级电路输出越连续,纹波越小,能够转换的电源功率越大。 The more the number of power conversion circuit of the second bridge arm unit with a current in the inductor of the successive post-stage circuit output, the smaller the ripple, the greater the electrical power can be converted.

[0093] 本发明实施例还提供了使用了本发明实施例提供的电源转换电路的设备,本发明实施例提供的设备可以是整流器,图5描述了整流器实施例的结构,包括:本发明实施例提供的电源转换电路501以及控制电路502,控制电路502用于对电源转换电路501的工作进行控制。 [0093] Embodiments of the present invention further provides a device power conversion circuit provided in the use of the present invention, apparatus according to an embodiment of the present invention may be a rectifier, FIG. 5 describes the structure of an embodiment of a rectifier, comprising: a embodiment of the present invention power conversion circuit 501 is provided and a control circuit 502, a control circuit 502 for controlling the power supply conversion circuit 501.

[0094] 进一步,本发明实施例还提供了包括本发明实施例提供的电源转换电路的电源, 该电源用于将交流转换为直流。 [0094] Further, embodiments of the present invention further provides a power converter comprising a circuit according to an embodiment of the present invention, a power supply for converting AC to DC. 图6描述了电源实施例一的结构,包括:本发明实施例提供的电源转换电路601和控制电路602,控制电路602用于对电源转换电路601的工作进行控制。 6 depicts a configuration example of the embodiment of the power supply, comprising: a power conversion circuit 601 and the control circuit 602 provided in the embodiment of the present invention, a control circuit 602 for converting the power supply circuit 601 is controlled.

[0095] 图7描述了电源实施例二的结构,包括:本发明实施例提供的电源转换电路701, 谐振(LLC)电路702,同步整流(Synchronous Rectifier)电路703。 [0095] FIG. 7 depicts a second embodiment of the power structure, comprising: a power conversion circuit 701, resonant (LLC) circuit 702 according to an embodiment of the present invention, the synchronous rectifier (Synchronous Rectifier) ​​circuit 703.

[0096] 其中,电源转换电路701包括:第一桥臂单元、并联连接的两个第二桥臂单元、第三桥臂单元和电容;其中: [0096] wherein the power conversion circuit 701 comprises: a first bridge arm unit, two second bridge arm units connected in parallel, a third bridge arm unit and a capacitor; wherein:

[0097] 第一桥臂单元的上端和第二桥臂单元的上端和第三桥臂单元的上端与电容的第一端口连接,第一桥臂单元的下端和第二桥臂单元的下端和第三桥臂单元的下端与电容的第二端口连接。 [0097] The upper ends of the upper end connected to a first port of the first bridge arm unit and a second bridge arm unit and the third bridge arm unit and the capacitor, and the lower end of the lower end of the first bridge arm unit and a second bridge arm unit the lower end of the capacitor connected to the second port of the third bridge arm unit.

[0098] 第一桥臂单元包括二极管D2和二极管D4,二极管D2和二极管D4同向串联连接, 二极管D2和二极管D4的连接处用于与电源704的第一端口连接。 [0098] The first bridge arm unit includes diodes D2 and D4, with the diodes D2 and D4 to the series connected diodes D2 and D4 is connected at a first port for connection to a power source 704.

[0099] 在本发明的一个实施例中,第一桥臂单元包括的二极管D2和二极管D4也可以替换成两个开关管,该实施例中,第一桥臂单元包括的两个开关管也同向串联连接,该两个开关管的连接处也用于与电源704的第一端口连接。 [0099] In one embodiment of the present invention, a first bridge arm unit includes diodes D2 and D4 may be replaced by two switches, in this embodiment, the first bridge arm unit comprises two switches are also connected in series in the same direction, at the junction of the two tubes are also used to switch connected to the first power supply port 704.

[0100] 第1个第二桥臂单元包括开关管Sl和开关管S3,电感Ll ;开关管Sl和开关管S3 同向串联连接,电感Ll的第一端口连在开关管Sl和开关管S3的连接处,电感Ll的第二端口用于与电源704的第二端口连接。 [0100] 1st second bridge arm unit includes a switch Sl and the switch S3, the inductor Ll; switch Sl and the switch S3 is connected to the series with the inductor Ll is connected at a first port of the switch Sl and the switch S3 junction, the second inductor Ll and a second port for connecting the power supply port 704. 其中,开关管Sl和开关管S3可以为Mosfet开关管、 或IGBT开关管等。 Wherein the switch Sl and the switch S3 may switch to Mosfet, or IGBT switches. [0101] 第2个第二桥臂单元包括开关管S2和开关管S4,电感L2 ;开关管S2和开关管S4 同向串联连接,电感L2的第一端口连在开关管S2和开关管S4的连接处,电感L2的第二端口用于与电源704的第二端口连接。 [0101] The second bridge arm unit includes a second switch S2 and S4, inductor L2; switch S2 and S4 are connected to the series with an inductor L2 is connected at a first port of the switch S2 and S4 junction, the second inductor L2 are connected with the second port 704 of the power source. 其中,开关管S2和开关管S4可以为Mosfet开关管、 或IGBT开关管等。 Wherein the switch S2 and S4 can switch as Mosfet, or IGBT switches.

[0102] 电感Ll的第二端口和电感L2的第二端口用于与电源704的第二端口连接,即电感Ll的第二端口和电感L2的第二端口连接在一起,接成Interleave方式。 [0102] The inductor Ll and the second port a second port of inductor L2 is connected to a second power port 704, i.e., the inductor Ll is connected to a second port and a second port of inductor L2 together, then into Interleave manner.

[0103] 第三桥臂单元包括二极管Dl和二极管D3,二极管Dl和二极管D3同向串联连接, 二极管Dl和二极管D3的连接处用于与电源404的第二端口连接。 [0103] The third bridge arm unit includes diodes Dl and a diode D3, a diode Dl, connected to the series with the diode D3, a diode Dl, connected to the diode D3 is connected with the second port 404 of the power source.

[0104] LLC电路702包括的第一个直流-直流(dc-dc)开关Sdcl与电源转换电路701 中电容的第一端口连接,第二个dc-dc开关Sdc2与电源转换电路701中电容的第二端口连接,第一个dc-dc开关Sdcl与第二个dc-dc开关Sdc2串联连接。 [0104] The first circuit 702 comprises a DC LLC - a first port connected to a DC (dc-dc) power conversion circuit and the switching Sdcl capacitor 701, a second switch Sdc2 dc-dc power conversion circuit 701 and the capacitance of a second port, a first dc-dc switch Sdcl with a second dc-dc switch Sdc2 connected in series. dc-dc电感Lr的第一端口与第一个dc-dc开关Sdcl和第二个dc-dc开关Sdc2的连接处连接,dc-dc电感Lr的第二端口与变压器Tdc的第一个输入端连接,dc-dc电容Cr的第一端口与电源转换电路701 中电容的第二端口连接,dc-dc电容Cr的第二端口与变压器Tdc的第二个输入端连接。 dc-dc inductor Lr is connected to a first port of a first dc-dc switch and a second junction Sdcl dc-dc switch Sdc2, the first input terminal of a dc-dc inductor Lr and a second port of the transformer (Tdc) connector, a second port connected to the dc-dc capacitor Cr and the first port of the power converter circuit 701 in the capacitor, a second port of the transformer (Tdc) and a second input dc-dc capacitor Cr is connected.

[0105] 同步整流电路703包括的第1个同步整流开关Srl连接到LLC电路702中变压器Tdc的第一个输出端和输出负端Odcn ;第二个同步整流Sr2开关连接到LLC电路702中变压器Tdc的第二个输出端和输出负端Odcn ;LLC电路702中变压器Tdc的第三个输出端连接到输出正端Odcp ;输出滤波电容Co连接到输出正端Odcp和输出负端Odcn。 [0105] The synchronous rectifier circuit 703 comprises a first synchronous rectifier switch Srl LLC circuit 702 is connected to the transformer (Tdc) in the first output terminal and a negative output terminal Odcn; second synchronous rectifier switch Sr2 LLC circuit 702 is connected to the transformer Tdc second output terminal and a negative output terminal Odcn; LLC third output terminal of the transformer (Tdc) in the circuit 702 connected to the output terminal of the positive ODCp; output filter capacitor Co is connected to the positive output terminal and negative output terminal ODCp Odcn.

[0106] 从上可知,本实施例中电源转换电路的两个第二桥臂单元可以交错并联工作,因此两个第二桥臂单元所包括的电感也能够交错并联工作,因此电感一直处在工作状态,使电感得到了充分的利用,提高了电感的利用率。 [0106] From the above, in the present embodiment, two power conversion circuit of the second bridge arm units can work in parallel staggered, so that the two second bridge arm units comprises an inductor can be interleaved in parallel, it has been in the inductance working conditions, the inductance has been fully utilized, improve the utilization of the inductor. 并且第三桥臂单元包括的两个二极管使电源转换电路的前级正反都有二极管箝位,能够提供EMI和雷击浪涌防护性能。 Two diodes and a third bridge arm unit has diode clamps to make positive and negative pre-stage power conversion circuits, to resist EMI and lightning surges.

[0107] 其中,需要说明的是,本发明实施例中“连接处”可以指的是连接至少两个器件之间的一部分或全部介质。 [0107] wherein, be noted that the embodiment of the present invention, "connection" may refer to a part or all of the medium between the at least two devices are connected.

[0108] 本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程,是可以通过计算机程序来指令相关的硬件来完成,所述的程序可存储于一计算机可读取存储介质中,该程序在执行时,可包括如上述各方法的实施例的流程。 [0108] Those of ordinary skill in the art may understand that the above-described method embodiments all or part of the processes may be related hardware instructed by a computer program, the program may be stored in a computer readable storage medium. when the program is executed, the processes of the foregoing method embodiments. 其中,所述的存储介质可为磁碟、光盘、只读存储记忆体(Read-Only Memory, ROM)或随机存储记忆体(Random Access Memory, RAM)等。 Wherein the storage medium may be a magnetic disk, an optical disk, read-only memory (Read-Only Memory, ROM) or a random access memory (Random Access Memory, RAM) and the like.

[0109] 以上对本发明实施例所提供的电源转换电路及设备、功率因数矫正电路交错控制方法进行了详细介绍,以上实施例的说明只是用于帮助理解本发明的方法及其思想;同时, 对于本领域的一般技术人员,依据本发明的思想,在具体实施方式及应用范围上均会有改变之处,综上所述,本说明书内容不应理解为对本发明的限制。 Power conversion circuits and devices provided by the embodiment [0109] of the above embodiment of the present invention, a power factor correction circuit controls interleaving method described in detail, the above described embodiments merely for understanding the method and idea of ​​the present invention; the same time, those skilled in the art according to the idea of ​​the present invention, there are modifications to the specific embodiments and application scope of the specification shall not be construed as limiting the present invention.

Claims (14)

  1. 一种电源转换电路,其特征在于,包括第一桥臂单元、第二桥臂单元和电容;所述第一桥臂单元的上端和所述第二桥臂单元的上端与所述电容的第一端口连接,所述第一桥臂单元的下端和所述第二桥臂单元的下端与所述电容的第二端口连接;所述第一桥臂单元包括两个二极管,该两个二极管同向串联连接,该两个二极管的连接处用于与电源的第一端口连接;所述第二桥臂单元包括两个开关管和一个电感,所述第二桥臂单元包括的两个开关管同向串联连接,所述电感的第一端口连在所述第二桥臂单元包括的两个开关管的连接处,所述电感的第二端口用于与所述电源的第二端口连接。 A power conversion circuit comprising a first bridge arm unit, a second bridge arm unit and a capacitor; upper ends of the first bridge arm unit and the second bridge arm unit and the capacitance a connection port, a second port connected to the lower end of the lower end of the first bridge arm unit and the second bridge arm unit and the capacitor; the first bridge arm unit comprises two diodes, diodes with the two is connected to the series, the junction of the two diodes connected to the first port for power supply; the second bridge arm unit includes two switches and one inductor, the second bridge arm unit includes two switches connected in series in the same direction, the inductance of the first port is connected at a junction of the second bridge arm unit includes two switches, and the second inductor are connected with the second port of the power source.
  2. 2.如权利要求1所述的电源转换电路,其特征在于,还包括第三桥臂单元,所述第三桥臂单元的上端与所述电容的第一端口连接,所述第三桥臂单元的下端与所述电容的第二端口连接;所述第三桥臂单元包括两个二极管,所述第三桥臂单元包括的两个二极管同向串联连接,所述第三桥臂单元包括的两个二极管的连接处用于与所述电源的第二端口连接。 2. The power conversion circuit as claimed in claim 1 of the third bridge arm, characterized in that, further comprising a third bridge arm unit, a first port connected to an upper end of the third bridge arm unit and the capacitor, the second port is connected to the lower end of the capacitor unit; said third bridge arm unit comprises two diodes, said two diodes in the third bridge arm unit is connected to the series with the third bridge arm unit comprises the two diodes is connected at a second port for connection to the power supply.
  3. 3.如权利要求1所述的电源转换电路,其特征在于,所述第二桥臂单元为至少两个,所述至少两个第二桥臂单元并联连接。 The power conversion circuit according to claim 1, wherein the second bridge arm unit of at least two of the at least two second bridge arm units connected in parallel is connected.
  4. 4.如权利要求1所述的电源转换电路,其特征在于,所述第二桥臂单元包括的开关管为金属氧化物半导体场效应管或绝缘栅双极晶体管。 4. The power conversion circuit according to claim 1, wherein the second bridge arm unit includes a switching tube is a metal-oxide semiconductor, or insulated gate bipolar transistor.
  5. 5. 一种电源转换电路,其特征在于,包括第一桥臂单元、第二桥臂单元和电容;所述第一桥臂单元的上端和所述第二桥臂单元的上端与所述电容的第一端口连接,所述第一桥臂单元的下端和所述第二桥臂单元的下端与电容的第二端口连接;所述第一桥臂单元包括两个开关管,该两个开关管同向串联连接,该两个开关管的连接处用于与电源的第一端口连接;所述第二桥臂单元包括两个开关管和一个电感,所述第二桥臂单元中的两个开关管同向串联连接,所述电感的第一端口连在所述第二桥臂单元包括的两个开关管的连接处,所述电感的第二端口用于与所述电源的第二端口连接。 A power conversion circuit comprising a first bridge arm unit, a second bridge arm unit and a capacitor; upper ends of the first bridge arm unit and the second bridge arm unit and the capacitance a first port, a second port connected to the lower end of the lower end of the first bridge arm unit and the second bridge arm unit and the capacitor; the first bridge arm unit includes two switches, the two switches is connected to the series with the pipe, the two switches are connected at a first port for connection to a power source; the second bridge arm unit includes two switches and one inductor, the second bridge arm unit in two a switch connected in series in the same direction, the first inductor is connected at the connection port of the two switches in the second bridge arm unit, a second port of the inductor and the second power supply port connection.
  6. 6.如权利要求5所述的电源转换电路,其特征在于,还包括第三桥臂单元,所述第三桥臂单元的上端与所述电容的第一端口连接,所述第三桥臂单元的下端与所述电容的第二端口连接;所述第三桥臂单元包括两个二极管,所述第三桥臂单元中的两个二极管同向串联连接,所述第三桥臂单元包括的两个二极管的连接处用于与所述电源的第二端口连接。 6. The power conversion circuit according to claim 5, characterized in that, further comprising a third bridge arm unit, a first port connected to an upper end of the third bridge arm unit and the capacitor, the third bridge arm the second port is connected to the lower end of the capacitor unit; said third bridge arm unit comprises two diodes, a third bridge arm unit is connected to the series with two diodes, a third bridge arm unit comprises the two diodes is connected at a second port for connection to the power supply.
  7. 7.如权利要求5所述的电源转换电路,其特征在于,所述第二桥臂单元为至少两个,所述至少两个第二桥臂单元并联连接。 7. A power conversion circuit according to claim 5, wherein the second bridge arm unit of at least two of the at least two second bridge arm units connected in parallel is connected.
  8. 8.如权利要求5所述的电源转换电路,其特征在于,所述第二桥臂单元包括的开关管为金属氧化物半导体场效应管或绝缘栅双极晶体管。 8. The power conversion circuit according to claim 5, wherein the second bridge arm unit includes a switching tube is a metal-oxide semiconductor, or insulated gate bipolar transistor.
  9. 9. 一种整流器,其特征在于,包括如权利要求1至8任一所述的电源转换电路。 A rectifier comprising a power conversion circuit according to any one of claims 1 to 8.
  10. 10. 一种电源,其特征在于,包括如权利要求1至8任一所述的电源转换电路。 A power source comprising a power conversion circuit according to any one of claims 1 to 8.
  11. 11. 一种功率因数矫正电路交错控制方法,应用在如权利要求1至8任一所述的电源转换电路中,所述电源转换电路包括至少两个第二桥臂单元,其特征在于:交错开通所述至少两个第二桥臂单元中的开关管,使所述至少两个第二桥臂单元以任意相位差交错并联工作。 A power factor correction circuit controls interleaving method, application 8 in a power conversion circuit according to any one of the claim, the power conversion circuit comprises at least two second bridge arm unit, comprising: interleave the opening of the at least two second bridge arm units in the switch, the at least two second bridge arm units work in an interleaving paralleled arbitrary phase difference.
  12. 12.如权利要求11所述的功率因数矫正电路交错控制方法,其特征在于,所述交错开通所述至少两个桥臂单元中的开关管包括:根据所述电源转换电路中电源处在正半周、或负半周、或占空比交错开通所述至少两个第二桥臂单元中的开关管。 12. The power factor correction circuit as claimed in claim 11, wherein the interleaving control method, characterized in that said interleaved opening switch said at least two bridge arm units comprises: in a power conversion circuit according to the positive power supply half cycle or negative half cycle, or duty cycle of the switch turn interleaving the at least two second bridge arm units.
  13. 13.如权利要求11或12所述的功率因数矫正电路交错控制方法,其特征在于,所述第二桥臂单元中的一个开关管开通时,该第二桥臂单元中的另一个开关管作为电感电流续流开关管。 13. The power factor correction circuit of claim 11 or claim 12 interleaving control method, wherein, when the second bridge arm unit in a switch opened, the second bridge arm unit in the other switch as the inductor current free-wheeling switch.
  14. 14.如权利要求11或12所述的功率因数矫正电路交错控制方法,其特征在于,所述电源转换电路工作在定开关频率电感不连续模式、或工作在定频电感电流连续模式、或工作在电感电流零界连续变频工作模式。 14. The power factor correction circuit 11 or claim 12 said interleaving operation control method, wherein the power converter circuit operates at a given switching frequency in discontinuous mode inductance, or work in fixed frequency continuous inductor current mode, or in continuous-conversion mode of the inductor current zero bound.
CN2009101591506A 2009-07-17 2009-07-17 Power supply switching circuit, equipment and alternate control method of power factor correction circuit CN101958657A (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102185504A (en) * 2011-05-17 2011-09-14 成都芯源系统有限公司 Power circuit and method for controlling same
CN102545582A (en) * 2012-02-09 2012-07-04 华为技术有限公司 Bridgeless power factor correction circuit and control method thereof
CN102624213A (en) * 2012-03-29 2012-08-01 台达电子工业股份有限公司 Power factor correction circuit
CN102754320A (en) * 2009-08-10 2012-10-24 艾默生环境优化技术有限公司 System and method for power factor correction
CN102969884A (en) * 2012-10-22 2013-03-13 苏州舜唐新能源电控设备有限公司 Method for controlling vehicle-mounted charger power factor efficiency
CN103441665A (en) * 2013-07-03 2013-12-11 奇瑞汽车股份有限公司 Interleaving parallel-connection type power factor correction device and control method thereof
US9088232B2 (en) 2009-08-10 2015-07-21 Emerson Climate Technologies, Inc. Power factor correction with variable bus voltage
US9154061B2 (en) 2009-08-10 2015-10-06 Emerson Climate Technologies, Inc. Controller and method for transitioning between control angles
US9240749B2 (en) 2012-08-10 2016-01-19 Emerson Climate Technologies, Inc. Motor drive control using pulse-width modulation pulse skipping
US9634593B2 (en) 2012-04-26 2017-04-25 Emerson Climate Technologies, Inc. System and method for permanent magnet motor control
WO2017166956A1 (en) * 2016-03-29 2017-10-05 比亚迪股份有限公司 Single-phase interleaved pfc circuit and on-board charger and electric automobile using same

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008008143A2 (en) 2006-06-06 2008-01-17 William Alexander Universal power converter
WO2011008567A2 (en) 2009-06-29 2011-01-20 Ideal Power Converters, Inc. Power transfer devices, methods, and systems with crowbar switch shunting energy-transfer reactance
US8698433B2 (en) 2009-08-10 2014-04-15 Emerson Climate Technologies, Inc. Controller and method for minimizing phase advance current
US8476873B2 (en) 2009-08-10 2013-07-02 Emerson Climate Technologies, Inc. System and method for current balancing
US8493014B2 (en) 2009-08-10 2013-07-23 Emerson Climate Technologies, Inc. Controller and method for estimating, managing, and diagnosing motor parameters
US8514601B2 (en) 2009-08-17 2013-08-20 Ideal Power Converters, Inc. Power conversion with added pseudo-phase
WO2011022442A2 (en) * 2009-08-17 2011-02-24 Ideal Power Converters Inc. Power conversion with added pseudo-phase
JP5210331B2 (en) * 2010-01-06 2013-06-12 力銘科技股▲分▼有限公司 Interleaved bridgeless power factor corrector and control method thereof
WO2012075189A2 (en) 2010-11-30 2012-06-07 Ideal Power Converters Inc. Photovoltaic array systems, methods, and devices with bidirectional converter
US8531858B2 (en) 2011-02-18 2013-09-10 Ideal Power, Inc. Power conversion with current sensing coupled through saturating element
CN102751861A (en) * 2011-04-21 2012-10-24 艾默生网络能源系统北美公司 Bridgeless power factor correction circuit
US20140001856A1 (en) * 2012-06-29 2014-01-02 General Electric Company Multilevel power converter
CN102832826B (en) * 2012-08-24 2016-01-27 台达电子工业股份有限公司 For the control circuit of power inverter, transformation system and control method thereof
US9166498B2 (en) * 2013-02-13 2015-10-20 Pai Capital Llc Power converter with non-symmetrical totem pole rectifier and current-shaping branch circuits
JP6237400B2 (en) * 2014-03-27 2017-11-29 株式会社安川電機 Power generation device, control device, control method, power generation system, power conversion device and system
US9667136B1 (en) * 2016-08-17 2017-05-30 Sea Sonic Electronics Co., Ltd. Totem-pole power factor correction circuit
EP3562021A4 (en) * 2016-12-22 2019-12-11 Mitsubishi Electric Corp Power conversion device
US9997994B1 (en) * 2017-05-12 2018-06-12 Acbel Polytech Inc. Totem-pole power factor corrector and current-sampling unit thereof
SE541090C2 (en) * 2017-06-14 2019-04-02 Husqvarna Ab A power tool for connection to ac mains via at least one residual current protective device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080012426A1 (en) * 2006-07-12 2008-01-17 Delta Electronics, Inc. Method of controlling an uninterruptible power supply apparatus
JP2008125313A (en) * 2006-11-15 2008-05-29 Sakae Shibazaki Switching power supply

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997022232A1 (en) * 1995-12-08 1997-06-19 Philips Electronics N.V. Ballast system
US5936855A (en) * 1996-09-03 1999-08-10 Mercury Electric Corporation Harmonic correction of 3-phase rectifiers and converters
US6026006A (en) * 1998-09-21 2000-02-15 Lucent Technologies Inc. Integrated three-phase power converter and method of operation thereof
US6051936A (en) * 1998-12-30 2000-04-18 Philips Electronics North America Corporation Electronic lamp ballast with power feedback through line inductor
US6330170B1 (en) * 1999-08-27 2001-12-11 Virginia Tech Intellectual Properties, Inc. Soft-switched quasi-single-stage (QSS) bi-directional inverter/charger
US6169374B1 (en) * 1999-12-06 2001-01-02 Philips Electronics North America Corporation Electronic ballasts with current and voltage feedback paths
US6337800B1 (en) * 2000-02-29 2002-01-08 Philips Electronics North American Corporation Electronic ballast with inductive power feedback
US7215560B2 (en) * 2004-12-14 2007-05-08 International Rectifier Corporation EMI noise reduction circuit and method for bridgeless PFC circuit
US7777461B2 (en) * 2005-10-31 2010-08-17 Chil Semiconductor Corporation Power supply and controller circuits
US7423894B2 (en) * 2006-03-03 2008-09-09 Advanced Energy Industries, Inc. Interleaved soft switching bridge power converter
US7589986B2 (en) * 2006-04-19 2009-09-15 International Rectifier Corporation Single stage integrated boost inverter motor drive circuit
TWI316166B (en) * 2006-05-30 2009-10-21 Delta Electronics Inc Bridgeless pfc converter with low common-mode noise and high power density
TWI413356B (en) * 2008-12-12 2013-10-21 Delta Electronics Inc Inverter circuit having relatively higher efficiency
US8050062B2 (en) * 2010-02-24 2011-11-01 General Electric Company Method and system to allow for high DC source voltage with lower DC link voltage in a two stage power converter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080012426A1 (en) * 2006-07-12 2008-01-17 Delta Electronics, Inc. Method of controlling an uninterruptible power supply apparatus
JP2008125313A (en) * 2006-11-15 2008-05-29 Sakae Shibazaki Switching power supply

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102754320B (en) * 2009-08-10 2015-05-27 艾默生环境优化技术有限公司 System and method for power factor correction
US9705433B2 (en) 2009-08-10 2017-07-11 Emerson Climate Technologies, Inc. Controller and method for transitioning between control angles
US9564846B2 (en) 2009-08-10 2017-02-07 Emerson Climate Technologies, Inc. Power factor correction with variable bus voltage
CN102754320A (en) * 2009-08-10 2012-10-24 艾默生环境优化技术有限公司 System and method for power factor correction
US9154061B2 (en) 2009-08-10 2015-10-06 Emerson Climate Technologies, Inc. Controller and method for transitioning between control angles
US9088232B2 (en) 2009-08-10 2015-07-21 Emerson Climate Technologies, Inc. Power factor correction with variable bus voltage
US9912263B2 (en) 2009-08-10 2018-03-06 Emerson Climate Technologies, Inc. Controller and method for transitioning between control angles
CN102185504A (en) * 2011-05-17 2011-09-14 成都芯源系统有限公司 Power circuit and method for controlling same
CN102545582B (en) * 2012-02-09 2014-12-24 华为技术有限公司 Bridgeless power factor correction circuit and control method thereof
US9570973B2 (en) 2012-02-09 2017-02-14 Huawei Technologies Co., Ltd. Bridgeless power factor correction circuit and control method utilizing control module to control current flow in power module
CN102545582A (en) * 2012-02-09 2012-07-04 华为技术有限公司 Bridgeless power factor correction circuit and control method thereof
CN102624213B (en) * 2012-03-29 2014-12-03 台达电子工业股份有限公司 Power factor correction circuit
CN102624213A (en) * 2012-03-29 2012-08-01 台达电子工业股份有限公司 Power factor correction circuit
US9991834B2 (en) 2012-04-26 2018-06-05 Emerson Climate Technologies, Inc. System and method for permanent magnet motor control
US10075116B2 (en) 2012-04-26 2018-09-11 Emerson Climate Technologies, Inc. System and method for permanent magnet motor control
US9634593B2 (en) 2012-04-26 2017-04-25 Emerson Climate Technologies, Inc. System and method for permanent magnet motor control
US9240749B2 (en) 2012-08-10 2016-01-19 Emerson Climate Technologies, Inc. Motor drive control using pulse-width modulation pulse skipping
US9853588B2 (en) 2012-08-10 2017-12-26 Emerson Climate Technologies, Inc. Motor drive control using pulse-width modulation pulse skipping
CN102969884A (en) * 2012-10-22 2013-03-13 苏州舜唐新能源电控设备有限公司 Method for controlling vehicle-mounted charger power factor efficiency
CN102969884B (en) * 2012-10-22 2015-10-28 苏州舜唐新能源电控设备有限公司 The control method of Vehicular charger power factor efficiency
CN103441665B (en) * 2013-07-03 2015-08-12 奇瑞汽车股份有限公司 A kind of method that crisscross parallel type power factor correcting is controlled
CN103441665A (en) * 2013-07-03 2013-12-11 奇瑞汽车股份有限公司 Interleaving parallel-connection type power factor correction device and control method thereof
CN107248814A (en) * 2016-03-29 2017-10-13 比亚迪股份有限公司 Single-phase alternating expression pfc circuit and onboard charger and electric automobile with it
WO2017166956A1 (en) * 2016-03-29 2017-10-05 比亚迪股份有限公司 Single-phase interleaved pfc circuit and on-board charger and electric automobile using same
CN107248814B (en) * 2016-03-29 2019-09-13 比亚迪股份有限公司 Single-phase alternating expression pfc circuit and onboard charger and electric car with it

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